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ICS9250-28 Datasheet, PDF (9/17 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™
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ICS9250-28
Electrical Characteristics - IOAPIC
TA = 0 - 70C; VDDL = 2.5 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Jitter, Cycle-to-cycle1
RDSP4B1
RDSN4B1
VOH4B
VOL4B
IOH4B
IOL4B
tr4B
tf4B
dt4B
tjcyc-cyc4B
VO = VDD*(0.5)
VO = VDD*(0.5)
IOH = -1 mA
IOL = 1 mA
VOH @ MIN = 1.0 V
VOH @ MAX = 2.375 V
VOL @ MIN = 1.2 V
VOL @ MAX = 0.3 V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
VT = 1.25 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
9
16
30
Ω
9
20
30
Ω
2
V
0.4
V
-27 -68
mA
-9
-27
27
54
mA
11
30
0.4 1.1 1.6 ns
0.4 1.1 1.6 ns
45
49
55
%
180 500 ps
Electrical Characteristics - SDRAM
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 20-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew window1
Jitter, Cycle-to-cycle1
RDSP3B1
RDSN3B1
VOH3
VOL3
IOH3
IOL3
tr3
tf3
dt3
tsk3
tjcyc-cyc3
VO = VDD*(0.5)
VO = VDD*(0.5)
IOH = -1 mA
IOL = 1 mA
VOH @ MIN = 2.0 V
VOH @ MAX = 3.135 V
VOL @ MIN = 1.0 V
VOL @ MAX = 0.4 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V
VT = 1.5 V
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
10
12
24
Ω
10
15
24
Ω
2.4
V
0.4 V
-54 -92
mA
-16 -46
54
68
mA
29
53
0.4
1
1.6 ns
0.4 1.5 1.6 ns
45
52
55
%
120 250 ps
135 250 ps
9
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